Home / 26,545.53-39,695.25-20,554.56

Finding the Fourth Proportional to 26,545.53, 39,695.25 and 20,554.56

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Solution

The fourth proportional to 26,545.53, 39,695.25 and 20,554.56 is: 30,736.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,545.53 : 39,695.25 = 20,554.56 : x
  2. Step 2: Convert to fraction form
    26,545.53/39,695.25 = 20,554.56/x
  3. Step 3: Cross multiply
    26,545.53x = 39,695.25 × 20,554.56
  4. Step 4: Simplify right side
    26,545.53x = 815,918,397.84
  5. Step 5: Solve for x
    x = 815,918,397.84/26,545.53
  6. Step 6: Final answer
    x = 30,736.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.